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so it has multiple rows for one site if the site is covered by multiple subparts.
It has been joined with frs_by_programid to get latlons for matching facilities.
@details
This file is not stored in the package, but is obtained via dataload_from_pins().
There are about 115k rows here but only about 86k unique program IDs in this table,
which is from the ECHO data download of ICIS Air and AFS.
The programid column here should be found in the pgm_sys_id column in frs_by_programid,
but as of mid 2024 only 55k of them were found there.
 table(frs_by_mact$programid %in% frs_by_programid$pgm_sys_id)
FALSE  TRUE
59944 55429

Also note we have found some typos in downloaded data from ECHO/FRS, such as
"WOOD PERSERVING AREA SOURCES" instead of "WOOD PRESERVING AREA SOURCES"'><meta property="og:description" content='This is a data.table with one row per site – MACT subpart pair,
so it has multiple rows for one site if the site is covered by multiple subparts.
It has been joined with frs_by_programid to get latlons for matching facilities.
@details
This file is not stored in the package, but is obtained via dataload_from_pins().
There are about 115k rows here but only about 86k unique program IDs in this table,
which is from the ECHO data download of ICIS Air and AFS.
The programid column here should be found in the pgm_sys_id column in frs_by_programid,
but as of mid 2024 only 55k of them were found there.
 table(frs_by_mact$programid %in% frs_by_programid$pgm_sys_id)
FALSE  TRUE
59944 55429

Also note we have found some typos in downloaded data from ECHO/FRS, such as
"WOOD PERSERVING AREA SOURCES" instead of "WOOD PRESERVING AREA SOURCES"'><meta property="og:image" content="https://usepa.github.io/EJAM/logo.svg"></head><body>
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  <main id="main" class="col-md-9"><div class="page-header">
      <img src="../logo.svg" class="logo" alt=""><h1>frs_by_mact (DATA) MACT NESHAP subpart(s) that each EPA-regulated site is subject to</h1>
      <small class="dont-index">Source: <a href="https://github.com/USEPA/EJAM/blob/HEAD/R/data_frs_by_mact.R" class="external-link"><code>R/data_frs_by_mact.R</code></a></small>
      <div class="d-none name"><code>frs_by_mact.Rd</code></div>
    </div>

    <div class="ref-description section level2">
    <p>This is a data.table with one row per site – MACT subpart pair,
so it has multiple rows for one site if the site is covered by multiple subparts.
It has been joined with frs_by_programid to get latlons for matching facilities.
@details</p>
<p>This file is not stored in the package, but is obtained via <code><a href="dataload_from_pins.html">dataload_from_pins()</a></code>.</p>
<p>There are about 115k rows here but only about 86k unique program IDs in this table,
which is from the ECHO data download of ICIS Air and AFS.
The programid column here should be found in the pgm_sys_id column in frs_by_programid,
but as of mid 2024 only 55k of them were found there.</p>
<p></p><div class="sourceCode"><pre><code><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a> <span class="fu">table</span>(frs_by_mact<span class="sc">$</span>programid <span class="sc">%in%</span> frs_by_programid<span class="sc">$</span>pgm_sys_id)</span>
<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="cn">FALSE</span>  <span class="cn">TRUE</span></span>
<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="dv">59944</span> <span class="dv">55429</span></span></code></pre><p></p></div>
<p>Also note we have found some typos in downloaded data from ECHO/FRS, such as</p>
<p>"WOOD PERSERVING AREA SOURCES" instead of "WOOD PRESERVING AREA SOURCES"</p>
    </div>


    <div class="section level2">
    <h2 id="see-also">See also<a class="anchor" aria-label="anchor" href="#see-also"></a></h2>
    <div class="dont-index"><p><code><a href="dataload_from_pins.html">dataload_from_pins()</a></code> <a href="mact_table.html">mact_table</a> <a href="frs_by_programid.html">frs_by_programid</a>  <a href="frs.html">frs</a></p></div>
    </div>

    <div class="section level2">
    <h2 id="ref-examples">Examples<a class="anchor" aria-label="anchor" href="#ref-examples"></a></h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span> </span>
<span>  <span class="va">mact_table</span></span>
<span>  <span class="va">mact_table</span><span class="op">[</span><span class="fu"><a href="https://rdrr.io/r/base/order.html" class="external-link">order</a></span><span class="op">(</span><span class="va">mact_table</span><span class="op">$</span><span class="va">title</span><span class="op">)</span>,<span class="op">]</span></span>
<span>  <span class="va">mycodes</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="st">"BBBBBB"</span>, <span class="st">"OOOO"</span><span class="op">)</span></span>
<span>  <span class="va">frs_by_mact</span><span class="op">[</span><span class="va">subpart</span> <span class="op"><a href="https://rdrr.io/r/base/match.html" class="external-link">%in%</a></span> <span class="va">mycodes</span>, <span class="op">]</span></span>
<span>  <span class="va">mact_table</span><span class="op">[</span><span class="fu"><a href="https://rdrr.io/r/base/grep.html" class="external-link">grepl</a></span><span class="op">(</span><span class="st">"smelt"</span>, <span class="va">mact_table</span><span class="op">$</span><span class="va">title</span>, ignore.case <span class="op">=</span> <span class="cn">T</span><span class="op">)</span>, <span class="op">]</span></span>
<span>  <span class="va">frs_by_mact</span><span class="op">[</span><span class="fu"><a href="https://rdrr.io/r/base/grep.html" class="external-link">grepl</a></span><span class="op">(</span><span class="st">"smelt"</span>, <span class="va">title</span>, ignore.case <span class="op">=</span> <span class="cn">T</span><span class="op">)</span>, <span class="op">]</span></span>
<span>  <span class="co"># a single site can be covered by 19 categories</span></span>
<span>  <span class="va">frs_by_mact</span><span class="op">[</span>, <span class="va">howmany</span> <span class="op">:=</span> <span class="va">.N</span>, by<span class="op">=</span><span class="st">"programid"</span><span class="op">]</span><span class="op">[</span><span class="fu"><a href="https://rdrr.io/r/base/order.html" class="external-link">order</a></span><span class="op">(</span><span class="va">howmany</span><span class="op">)</span>, <span class="op">]</span> </span>
<span>  <span class="fu"><a href="https://rdrr.io/r/base/table.html" class="external-link">table</a></span><span class="op">(</span><span class="va">frs_by_mact</span><span class="op">[</span>, <span class="va">howmany</span> <span class="op">:=</span> <span class="va">.N</span>, by<span class="op">=</span><span class="st">"programid"</span><span class="op">]</span><span class="op">[</span><span class="fu"><a href="https://rdrr.io/r/base/order.html" class="external-link">order</a></span><span class="op">(</span><span class="va">howmany</span><span class="op">)</span>, <span class="va">howmany</span><span class="op">]</span><span class="op">)</span></span>
<span>  </span></code></pre></div>
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